There’s nothing worse these days than having a lost smartphone. They are an essential part of most owners lives and often contain tons of sensitive data, or precious photos of friends and family. If ...

Which order should you add two numbers? Numberblocks Two and Three have the answer: you can add two bananas to three bananas, or three bananas to two bananas and the total stays the same. It's five ...

When you are solving an addition calculation with a two-digit number, you need to think about tens and ones. A place value chart can help you to see the value of each digit in a number. For example, ...